541812 has 24 divisors (see below), whose sum is σ = 1276576. Its totient is φ = 178848.

The previous prime is 541799. The next prime is 541817. The reversal of 541812 is 218145.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 541812.

It is not an unprimeable number, because it can be changed into a prime (541817) by changing a digit.

541812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818 + ... + 2094.

2⁵⁴¹⁸¹² is an apocalyptic number.

It is an amenable number.

541812 is an abundant number, since it is smaller than the sum of its proper divisors (734764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541812 is a wasteful number, since it uses less digits than its factorization.

541812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 541812 is about 736.0788001294. The cubic root of 541812 is about 81.5235105996.

Adding to 541812 its reverse (218145), we get a palindrome (759957).

The spelling of 541812 in words is "five hundred forty-one thousand, eight hundred twelve".